/**
 * Created with IntelliJ IDEA
 * Description
 * User:大玺的
 * Date:2024-06-24
 * Time:18:26
 */
public class test {
    public static void main(String[] args) {
        System.out.println("Hello world!");
        System.out.println("Hello");
        System.out.println("world!");
    }
}
